Cervical has multiple meanings in the human body. The word cervix is derived from the Latin root word cervix which means neck. For this reason, the word cervical pertains to many areas where tissues narrow to a neck-like passage, and not only in your neck.
Cay /cay/ [1 syll.] as a name for girls is of Greek derivation, and Cay means pure. Cay is a variant transcription of Catherine (Greek): from katharos. Cay is also a derivative of Katherine (Greek).
Cacophony literally means harsh, jarring sounds--sounds that do not sound good together. In literature, cacophony is used to refer to words that have a harsh, jarring sound. Instead of the text being rhythmic or pleasant, the text is unmelodious. Beware the Jabberwock, my son!